Figure 4-3 Motor Staging - Siemens MICROMASTER 430 Operating Instructions Manual

4 MICROMASTER 430 functions
4.5.3 Motor Staging
Controlling additional drives via output relay
Mains
Mains
MV
MV - Variable speed motor
M1 - Motor switched with relay 1
Figure 4-3
Function
Enables up to three additional motors to be controlled based on PID control
The entire system is made up of a pump which is controlled by the inverter with up
to an additional 3 pumps which can be added to the system via contactors or motor
starters.The motor starter is controlled via the output relay in the inverter. Figure
4-3 shows a typical pump system.
This function can also be used accordingly for ventilators and ventilation shafts.
For additional settings please refer to parameter list P2370 and following.
68
Inverter
Inverter
M1
M2 - Motor switched with relay 2
M3 - Motor switched with relay 3
Motor Staging
http://nicontrols.com
Pressure Sensor
Pressure Sensor
Motor Starters
Motor Starters
To Inverter PID Input
To Inverter PID Input
M2 M3
MICROMASTER 430 Operating Instructions
6SE6400-5AE00-0BP0
Issue 10/06